C3131313233313113313223313223313112113313233313223313231312323132211   >>    C313131323331311331322331322331311211331323331322331323131232313221   <<    C3131313233313113313223313223313112113313233313223313231312323132213   >>      C3131313233313113313223313223313112113313233313223313231312323132212   >>